In short, the enlightenment privatized marriage, taking it out of the public sphere, and redefined its purpose as individual gratification, not any 'broader good' such as reflecting God's nature, producing character, or raising children. Slowly but surely, this newer understanding of the meaning of marriage has displaced the older ones in Western culture.
Timothy KellerNeither son loved the father for himself. They both were using the father for their own self-centered ends rather than loving, enjoying, and serving him for his own sake. This means that you can rebel against God and be alienated from him either by breaking his rules or by keeping all of them diligently. It 's a shocking message: Careful obedience to God's law may serve as a strategy for rebelling against God .
Timothy KellerNothing is more important than to learn how to maintain a life of purpose in the midst of painful adversity.
Timothy Keller